CN107588661B - Rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system - Google Patents
Rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system Download PDFInfo
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Oxygen, Ozone, And Oxides In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention provides a rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system, and aims to solve the problem that the existing oxygen production method is serious in power consumption. The rotary kiln supercharging ionization pole separation magneto rich oxygen flow combustion supporting system comprises a centrifugal supercharging air supply machine, a raw material air balance equalizing box, an air ionization device component, an oxygen enrichment front collection adsorption bin, a permanent magnet Roots blower, an ion equalizing reduction tank and a pulse discharge system which are connected in sequence. The air ionization device assembly comprises a cathode rotary vortex discharger, an anode star umbrella type multipoint discharger, a net barrel type negative electrode electrostatic net, a clamping type positive electrode electrostatic net and a homopolar opposite clamping type grid type gradient magnetic group. The cathode cyclotron vortex discharger and the anode star umbrella type multipoint discharger are electrically connected with the pulse discharging system. By pressurizing the air, the air density reaches the standard in the ionization process of the cathode cyclotron vortex discharger and the anode star umbrella type multipoint discharger, thereby saving discharge current and increasing the treatment capacity.
Description
Technical Field
The technology of the invention can be widely applied to the field of rotary kiln combustion supporting such as cement building materials, lime calcination and the like, and relates to a rotary kiln supercharging ionization pole separation magneto rich oxygen flow combustion supporting system.
Background
The existing oxygen production method mainly comprises the following steps: oxygen enrichment by cryogenic process, pressure swing adsorption process and membrane process; however, these three methods of oxygen production have the following disadvantages:
cryogenic process: the investment is large, the power consumption of equipment operation is large, the purity of the prepared oxygen is more than 96%, and the investment and the return are not in direct proportion due to the large investment and the high power consumption in operation, so that the oxygen-enriched industrial popularization and application cannot be realized.
Pressure swing adsorption process: because the molecular sieve is used as the adsorbent and the complex pressure swing adsorption process is adopted, the power consumption of the molecular sieve adsorbent is overlarge, and the molecular sieve adsorbent is compressed and water saturated in the practical application process, so that poisoning is caused, the after-sale cost is increased, and the investment recovery is also not proportional.
Membrane method oxygen enrichment: the technology has high replacement rate in the use process due to high price of the membrane component, high self-running power consumption and high requirements on the quality of the field use environment of equipment, and the three high requirements are eliminated by the industrial industry.
Disclosure of Invention
The invention provides a rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system, and aims to solve the problem that the existing oxygen production method is serious in power consumption.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the rotary kiln supercharging ionization pole separation magneto rich oxygen flow combustion supporting system comprises a centrifugal supercharging air supply machine, a raw material air balance pressure equalizing box, an air ionization device component, an oxygen enrichment front collection adsorption bin, a permanent magnet Roots blower, an ion pressure equalizing reduction tank and a pulse discharge system which are sequentially connected from upstream to downstream according to the air flow. At least one set of air ionizer modules; each group of air ionization device components comprises a cathode rotary vortex discharger, an anode star umbrella type multipoint discharger, a net barrel-shaped negative electrode electrostatic net, a clamping positive electrode electrostatic net and a homopolar opposite clamping grid type gradient magnetic group. The raw material wind balance equalizing box is provided with exhaust ports, and the oxygen-enriched front collection adsorption bin is provided with air inlets which are in one-to-one correspondence with the exhaust ports; the net barrel-shaped negative electrode electrostatic net is fixed between the raw material wind balance equalizing box and the oxygen-enriched front collection adsorption bin and is communicated with a group of corresponding exhaust ports and air inlets; the anode star umbrella type multipoint discharger, the clamping type anode electrostatic network and the homopolar opposite clamping type grid type gradient magnetic groups are arranged in the grid barrel type cathode electrostatic network; the cathode rotary vortex discharger is arranged at the exhaust port, the homopolar opposite clamped grid type gradient magnetic group is arranged at the corresponding air inlet, and the anode star umbrella type multipoint discharger is fixed at one end of the homopolar opposite clamped grid type gradient magnetic group close to the exhaust port; the clamping type positive pole electrostatic network is arranged in the homopolar opposite clamping type gradient magnetic group. The cathode cyclotron vortex discharger and the anode star umbrella type multipoint discharger are electrically connected with the pulse discharging system.
Further, the rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system further comprises a cathode fixing insulating plate which is fixed or used as a side surface to be arranged on the raw material wind balance equalizing box, and the cathode swirl vortex discharger and the net barrel-shaped negative electrode electrostatic net are fixedly connected with the cathode fixing insulating plate.
Further, the rotary kiln supercharging ionization pole separation magneto oxygen-enriched gas flow combustion-supporting system also comprises a magnetic component fixing insulating plate which is fixed or used as a side surface to be arranged on the oxygen-enriched front collection adsorption bin, and the homopolar opposite clamping grid type gradient magnetic group and the grid barrel type negative electrode electrostatic grid are fixedly connected with the magnetic component fixing insulating plate.
Further, the anode star umbrella type multipoint discharger is composed of a discharging rod fixed on the homopolar opposite clamped grid type gradient magnetic group and a plurality of discharging branches which are arranged on the discharging rod and distributed in an umbrella shape. There may be a plurality of discharge points.
Further, the cathode convolution vortex discharger is a discharge pipe which is communicated with the exhaust port, and a through hole is arranged on the side wall of the discharge pipe.
Further, the homopolar opposite clamping grid type gradient magnetic group consists of a plurality of annular magnets in a sequencing mode of N pole pairs and N poles and S pole pairs and S poles, and the homopolar opposite clamping grid type gradient magnetic group consists of annular magnets with the same inner diameter and two outer diameters, wherein the annular magnets with different outer diameters are sequenced at intervals; two adjacent ring magnets are clamped with a clamping type positive electrode electrostatic network.
Further, a raw material wind homogenizing baffle is arranged between the centrifugal booster fan and the raw material wind balancing and equalizing box.
Further, the intelligent control system also comprises a PLC control cabinet and a touch screen electrically connected with the PLC control cabinet; the ion equalizing reduction tank is provided with a pressure compensation sensor, an automatic pressure regulating valve and an intelligent online oxygen meter; the pressure compensation sensor, the automatic pressure regulating valve and the intelligent online oxygen meter are all electrically connected with the PLC control cabinet.
Further, the centrifugal booster air supply machine, the net barrel-shaped negative electrode electrostatic net, the homopolar opposite clamped power grid type gradient magnetic group, the permanent magnet Roots blower and the pulse discharging system are electrically connected with the PLC control cabinet. .
Further, the PLC control cabinet is connected with the remote control on-line channel.
Compared with the prior art, the invention has the advantages that:
the invention adopts the centrifugal booster air supply machine to increase the density of raw material air under the action of pressure; after raw material air is pressed in, the air density reaches the standard in the ionization process of the cathode cyclotron vortex discharger and the anode star umbrella type multipoint discharger, so that the discharge current is saved, and the treatment capacity is increased.
The magnetic field and the electric field generated by the air ionization device component ionize and magnetize the compressed air to form particles which are helpful for combustion, such as oxygen molecules (O2), atoms (O), ions (OH-), protons (H+), electrons (e-), and the like.
The investment is small, the return is quick, and the investment can be recovered within 18 months. The manufacturing cost is low, the investment ratio is 40% of that of the cryogenic process, 45% of that of the pressure swing adsorption process and 50% of that of the membrane process. The operation cost is low, and the electricity consumption is 40% of the lowest electricity consumption membrane method in the three methods. Stable operation, less after sales, adopting Siemens, ABB and other high-quality parts, and conventional maintenance. The service life is long, and the service life of the core magnetic component is 8-10 years. Low requirement on environment, and is suitable for various industrial environment factory conditions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a system structure according to the present invention.
Fig. 2 is a partial enlarged view at B in fig. 1.
Fig. 3 is a schematic structural diagram of homopolar opposite clamped power grid type gradient magnetic group principle.
Fig. 4 is a partial enlarged view at a in fig. 3.
Detailed Description
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 and 2, the rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system comprises a centrifugal supercharging air supply machine 1, a raw material air uniform air baffle 2, a raw material air balance pressure equalizing box 3, a cathode fixing insulating plate 4, an air ionization device component, a magnetic component fixing insulating plate 10, an oxygen-enriched front collection adsorption bin 11, a permanent magnet Roots blower 12 and an ion pressure equalizing reduction tank 13 which are sequentially connected from upstream to downstream according to the air flowing direction. An output pipeline is arranged on the ion equalizing reduction tank 13.
Wherein, the cathode fixed insulating plate 4 is fixed or is arranged on the raw material wind balance equalizing box 3 as one side surface, and the magnetic component fixed insulating plate 10 is fixed or is arranged on the oxygen-enriched front collection adsorption bin 11 as one side surface.
Referring to fig. 1, in this embodiment, there are five groups of air ionizer modules, and the number of the groups of air ionizer modules may be at least one group according to the actual situation.
Referring to fig. 1 and 2, each group of air ionization device components comprises a cathode cyclotron vortex discharger 5, an anode star umbrella type multipoint discharger 6, a net barrel type negative electrode electrostatic net 7, a clamping positive electrode electrostatic net 8 and a homopolar opposite clamping grid type gradient magnetic group 9;
the raw material air balance equalizing box 3 is provided with exhaust ports, and the oxygen-enriched front collection adsorption bin 11 is provided with air inlets which are in one-to-one correspondence with the exhaust ports; one end of the net barrel-shaped negative electrode electrostatic net 7 is fixed on the cathode fixed insulating plate 4, the other end is fixed on the magnetic component fixed insulating plate 10, and the net barrel-shaped negative electrode electrostatic net 7 is communicated with a group of corresponding exhaust ports and air inlets; the anode star umbrella type multipoint discharger 6, the clamped positive electrode electrostatic network 8 and the homopolar opposite clamped power grid type gradient magnetic group 9 are all arranged in the net barrel type negative electrode electrostatic network 7; the cathode rotary vortex discharger 5 is arranged at the exhaust port and on the cathode fixed insulating plate 4, the homopolar opposite clamped grid type gradient magnetic group 9 is arranged at the corresponding air inlet and fixed on the magnetic assembly fixed insulating plate 10, and the anode star umbrella type multipoint discharger 6 is fixed at one end of the homopolar opposite clamped grid type gradient magnetic group 9 close to the exhaust port; the clamping positive pole electrostatic network 8 is arranged in the homopolar opposite clamping grid type gradient magnetic group 9.
The rotary kiln supercharging ionization pole separation magneto rich oxygen flow combustion supporting system further comprises a pulse discharge system 19; both the cathode cyclotron vortex discharger 5 and the anode star-shaped multipoint discharger 6 are electrically connected to a pulse discharge system 19.
Referring to fig. 2, 3 and 4, the homopolar opposite clamped grid type gradient magnet set 9 is formed by nine annular magnets in a manner of sorting N pole pairs and S pole pairs, the homopolar opposite clamped grid type gradient magnet set 9 is formed by annular magnets with the same inner diameter and two outer diameters, and annular magnets with different outer diameters are sorted and combined at intervals; the homopolar opposite clamped grid type gradient magnetic group 9 can form an uneven magnetic gradient magnetic field to form an outward pushing large semicircular magnetic field D, meanwhile, the large semicircular magnetic field has a small semicircular magnetic field X with super strength of more than 10000 Gauss, and each small semicircular magnetic field is clamped with a clamped positive electrode electrostatic network 8, namely the clamped positive electrode electrostatic network 8 is clamped in two adjacent annular magnets.
The rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system further comprises a PLC control cabinet 17 and a touch screen 18 electrically connected with the PLC control cabinet 17; the ion equalizing reduction tank 13 is provided with a pressure compensation sensor 14, an automatic pressure regulating valve 15 and an intelligent online oxygen meter 16; the pressure compensation sensor 14, the automatic pressure regulating valve 15 and the intelligent online oxygen meter 16 are all electrically connected with the PLC control cabinet 17. The PLC control cabinet 17 is connected with a remote control on-line channel 20.
The centrifugal booster fan 1, the net barrel-shaped negative electrode electrostatic net 7, the homopolar opposite clamped power grid type gradient magnetic group 9, the permanent magnet Roots fan 12 and the pulse discharging system 19 are electrically connected with the PLC control cabinet 17.
The working principle of the invention is further described below:
centrifugal booster fan 1: the common raw material air is compressed by a pressure fan with pressure of over 9000pa and is fed into a raw material air balance and pressure equalizing box 3 for balance and pressure equalizing, and then is distributed to a cathode rotary vortex discharger 5 to increase the density of the raw material air under the action of pressure; after raw material air is pressed in, the air density reaches the standard in the ionization process of the cathode cyclotron vortex discharger 5 and the anode star umbrella type multipoint discharger 6, so that the discharge current is saved, and the treatment capacity is increased.
Raw material wind equal wind baffle 2: the device is used for blocking direct injection of raw material air fed by the centrifugal booster air supply machine 1, realizing four-side diversion and balancing the pressure of the raw material air flowing to the raw material air balancing and equalizing box 3.
Raw material wind balance equalizing box 3: the device is used for sealing the raw material air which is fed by the centrifugal booster air supply machine 1 and blocked and split by the raw material air uniform air baffle plate 2, and the air which enters the raw material air balance pressure equalizing box further generates vortex boosting, so that the gas in the box is uniformly distributed, and the gas is uniformly distributed to the gas outlet of the raw material air balance pressure equalizing box 3, so that the cathode rotary vortex discharger 5 obtains stable air flow.
Cathode fixing insulating plate 4: the device is made of insulating materials, can be combined with a raw material wind balance equalizing box 3 to form sealed space vortex supercharging, is used for installing a fixed cathode convolution vortex discharger 5 and a net barrel-shaped negative electrode electrostatic network 7, and plays an insulating role on current input by the fixed cathode convolution vortex discharger 5 and the net barrel-shaped negative electrode electrostatic network 7.
Cathode cyclotron vortex arrester 5: is a discharge pipe which is communicated with the exhaust port, and the side wall of the discharge pipe is provided with a through hole. The cathode rotary vortex discharger 5 and the anode star umbrella type multipoint discharger 6 are combined to form pulse discharge and ionization, and the density of raw air is increased after the raw air is compressed by the pressure of the centrifugal booster air supply machine 1, so that the electricity consumption is small in the ionization process of the cathode rotary vortex discharger 5 and the anode star umbrella type multipoint discharger 6, and the ionization air quantity is increased.
Anode star umbrella type multipoint discharger 6: the anode star umbrella type multipoint discharger 6 is composed of a discharging rod fixed on a homopolar opposite clamped grid type gradient magnetic group 9 and a plurality of discharging branches which are arranged on the discharging rod and distributed in an umbrella shape. The pulse discharge system 19 is connected to apply work, and combines with the cathode rotary vortex discharger 5 to form positive and negative pulse discharge areas, and outputs radiation pulse current with pulse radiation voltage as high as 7-10 KV to fully ionize the air of the fed raw material into ion state (fourth state).
Net barrel negative electrostatic net 7: as the name implies, it is in the shape of a drum made of mesh; the cathode swirl vortex discharger 5 and the anode star umbrella type multipoint discharger 6 are made of high-conductivity copper net, are used for carrying out affinity attraction on positive electrons in airflow after ionization, are pushed to advance by the pressurized airflow of the centrifugal booster air supply machine 1 together with diamagnetic nitrogen, and are discharged from meshes on the side wall of the net barrel-shaped negative electrostatic net 7, so that the air is purified.
Clamping type positive electrode electrostatic network 8: the high-conductivity copper net is used for manufacturing, clamped in the homopolar opposite clamped grid type gradient magnetic group 9, the positive pole power supply is connected to the positive pole power supply to form a positive pole and negative pole sorting pole phase power grid by combining the net barrel-shaped negative pole electrostatic net 7, negative electrons and negative oxygen ions in the supplied air flow generate affinity, and positive ions, negative ions and electrons are separated and matched with the homopolar opposite clamped grid type gradient magnetic group 9 to finish pole phase electric field affinity attraction and magnetic field attraction to paramagnetic particles.
Homopolar opposite clamping grid type gradient magnetic group 9: the manufacturing method is characterized in that the rare earth permanent magnet N/50 type or higher-grade magnetic materials are adopted, as shown in fig. 3 and 4, NN and SS homopolar opposite sequencing is adopted, annular magnets with different outer diameters are adopted to form an uneven magnetic gradient magnetic field in an interval sequencing mode, so that magnetic energy fully forms an extrapolated large semicircular magnetic energy field D, a plurality of middle semicircular magnetic energy fields Z are arranged in the large semicircular magnetic energy field D, a plurality of super-strong small semicircular magnetic energy fields X with more than 10000 gauss are arranged in the large semicircular magnetic energy field D, a clamping type positive electrode electrostatic network 8 is clamped in each small semicircular magnetic energy field X, a magnetic and electric combined bipolar energy field is formed, and paramagnetic and affinity anode particles in gas are formed: oxygen, oxygen atoms, anions, negative electrons and the like are collected by affinity attraction, and are prepared and applied.
Magnetic assembly fixing insulating plate 10: the device is mainly used for fixing homopolar opposite clamped power grid type gradient magnetic groups 9, and combines an oxygen-enriched front collection adsorption bin 11 to form a sealed storage bin, so that exhaust gas is isolated, and meanwhile, supply current is insulated to prevent conduction and output.
Oxygen enrichment front collection adsorption bin 11: is a storage bin for oxygen-enriched ionic gas; and collecting, storing and sealing the oxygen-enriched ion gas generated after the working procedures are performed, and outputting the oxygen-enriched ion gas by combining the adsorption pushing of the permanent magnet Roots blower 12.
Permanent magnet Roots blower 12: and (3) absorbing and conveying the oxygen-enriched ion gas collected in the oxygen-enriched front collection adsorption bin 11 to the ion equalizing reduction tank 13 for supercharging and stabilizing the flow.
Ion equalizing reduction tank 13: the permanent magnet Roots blower 12 is supplied into the airflow for vortex pressurization, so that the density of the gas is compressed, and super-oxidized particles in the gas are formed: o, oe-, OH-, e-and the like, and the gas after ionization and pyrolysis increases the affinity range and is quickly reduced and output for application; the ion equalizing reduction tank 13 is connected with an oxygen-enriched application output pipeline 21.
Pressure compensation sensor 14: the pressure equalizing and reducing device is used for monitoring the pressure in the ion equalizing and reducing tank 13, feeding back information in time, giving an increasing and decreasing instruction, and commanding the automatic pressure regulating valve 15 to finish an operation procedure according to the instruction.
Automatic pressure regulating valve 15: receiving the command signal from the pressure compensation sensor 14, and completing the closing and opening of the pressure increasing and reducing force according to the command.
Intelligent on-line oxygen meter 16: the oxygen content in the analysis gas is monitored in real time, signals are output, screen display data are completed by combining the touch screen 18, and monitoring, regulation and control are facilitated.
PLC control cabinet 17: the power supply system is switched on and off by connecting the start switch and the stop switch and simultaneously connecting the centrifugal booster fan 1, the net barrel-shaped negative electrode electrostatic net 7, the clamping type positive electrode electrostatic net 8 and the permanent magnet Roots blower 12. And is connected with a pressure compensation sensor 14, an automatic pressure regulating valve 15, an intelligent online oxygen meter 16, a touch screen 18, a pulse discharging system 19 and a remote control online channel 20 to receive output and input signals, thereby completing full-intelligent automatic regulation and control and various safety monitoring and protection.
Touch screen 18: the PLC control cabinet 17 is connected to receive signals, display manual operation plates and realize the standby function of on-site monitoring operation.
Pulse discharge system 19: which belongs to the prior conventional technology and is not described in detail herein; the device is used for receiving power supplied by a PLC control cabinet 17 to work, boosting 380V current to 7-10 Kv pulse current through pulse inversion, and outputting and supplying a cathode rotary vortex discharger 5 and an anode star umbrella type multipoint discharger 6 to complete ionization and cracking of air.
Remote control online channel 20: the PLC control cabinet 17 is connected with a power instruction signal of a central control room, is connected with the central control room, performs a remote control function, and the remote control on-line channel 20 can be the Internet for transmission to a remote control server or a mobile terminal, so that remote control is facilitated.
Oxygen enriched application output pipe 21: and the kiln head and kiln tail combustion-supporting air pipelines are connected to supply oxygen-enriched air flow to complete the oxygen-enriched preparation and oxygen-enriched combustion-supporting energy-saving technology process.
The structure of the invention mainly utilizes the physical principle characteristics of ionization and magnetization cutting of the magnetic field and the electric field on air to form ionic states, and the changing effects of oxygen molecules (O2), atoms (O), ions (OH-), protons (H+), electrons (e-), and the like which are helpful for burning particles in the electric field and the magnetic field. Among these, the varying effects include: 1. ionization effect: separating, splitting, collision splitting and separating fission to make ion state particles in air permanently snow b, splitting and generating; is realized by a cathode cyclotron vortex discharger 5 and an anode star umbrella type multipoint discharger 6. 2. Magnetization effect: paramagnetic particles are induced and polymerized, and the spin magnetization of ions and electrons is induced and polymerized, so that the negative electrons after spin magnetization are attached to paramagnetic oxygen molecules and atoms to improve the paramagnetism; is realized by clamping the grid type gradient magnetic groups 9 in homopolar opposition. 3. Electrostatic field affinity effect: affinity attraction to ions and electrons, positive and negative ions and electron polar separation, so that oxygen molecules, atoms and positive and negative electrons are more easily attracted and attracted by a magnetic field and a polar phase electrostatic network after the electrons are subjected to oxygen loading, and polar separation is completed; is realized by a net barrel-shaped negative electrode electrostatic net 7 and a clamping type positive electrode electrostatic net 8.
The system device fully utilizes the ionization of the pulse high-frequency electric field to the air, so that the ionized air forms a fourth-state ionic state, and gas molecules return to atoms, ions, neutrons, protons and electrons. And oxygen component (O), proton component (H) and negative electron (Oe-) with spin attached to O in small particle size particles are prepared by magnetic field and polar electrostatic field, and induced polymerization.
Oxygen is paramagnetic particles, the oxygen is attracted by magnetic force in a magnetic field to move towards the magnetic field and is gathered and adsorbed in the magnetic field, negative electrode electrons in an ionic state after ionization and pyrolysis show affinity to O after failure, meanwhile, positive electrode electron nuclei and negative electrode electron nuclei are formed after failure, positive electrode electrons are gathered by a negative electrode power grid due to the polar affinity effect in the electrostatic field, negative electrode electrons are gathered by an anode to finish polar phase separation, meanwhile, the negative electrode electrons can actively spin after failure, the paramagnetic property is increased, and the oxygen and O2 are combined with the magnetic field and an anode static power grid region magnetic and electric effect region arranged in the magnetic field to be gathered and enriched for preparation and application.
Practical operation tests prove that the oxygen content in the gas flow prepared by the method is higher than 30%, and the gas flow contains a large amount of O and super-oxidation components such as ions, protons, electrons and the like. The device system is applied to a dry rotary kiln calciner system, can effectively improve combustion efficiency, saves fuel by 5-10%, can effectively control CO generation caused by insufficient combustion, reduces NO x generation, and achieves the purposes of saving fuel and reducing emission. The technology of the invention can be widely applied to the combustion-supporting field of rotary kilns in various industries such as cement building materials, lime calcination and the like, and is applicable to fuels such as coal dust, petroleum glue, natural gas, diesel oil, biomass, garbage and the like.
The invention relates to an oxygen-enriched preparation system which is used for improving the oxygen content in the prepared air flow to 30-35% after the air is pretreated by a magnetic field and an electric field. The oxygen-enriched air flow prepared by the system is applied to the calcination process of the rotary kiln, so that the combustion efficiency can be effectively improved, the fuel can be saved by 5-10%, the generation of CO with insufficient combustion can be effectively controlled, the emission of NOx can be reduced, and the fuel can be fully saved: the purpose of reducing emission.
The above embodiments are merely illustrative embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present invention are included in the scope of the present invention.
Claims (8)
1. The rotary kiln supercharging ionization pole separation magneto rich oxygen flow combustion-supporting system is characterized in that: the device comprises a centrifugal booster air supply machine (1), a raw material air balance pressure equalizing box (3), an air ionization device assembly, an oxygen-enriched front collection adsorption bin (11), a permanent magnet Roots blower (12), an ion pressure equalizing reduction tank (13) and a pulse discharge system (19) which are sequentially connected from upstream to downstream according to the flow of air;
at least one set of air ionizer modules; each group of air ionization device components comprises a cathode rotary vortex discharger (5), an anode star umbrella type multipoint discharger (6), a net barrel-shaped negative electrode electrostatic net (7), a clamping positive electrode electrostatic net (8) and a homopolar opposite clamping grid type gradient magnetic group (9);
an exhaust port is arranged on the raw material wind balance pressure equalizing box (3), and air inlets which are in one-to-one correspondence with the exhaust ports are arranged on the oxygen-enriched front collection adsorption bin (11); the net barrel-shaped negative electrode electrostatic network (7) is fixed between the raw material wind balance equalizing box (3) and the oxygen-enriched front collection adsorption bin (11) and is communicated with a group of corresponding exhaust ports and air inlets; the anode star umbrella type multipoint discharger (6), the clamping type anode static network (8) and the homopolar opposite clamping type power network gradient magnetic group (9) are all arranged in the net barrel type cathode static network (7); the cathode rotary vortex discharger (5) is arranged at the exhaust port, homopolar opposite clamped grid type gradient magnetic groups (9) are arranged at the corresponding air inlets, and the anode star umbrella type multipoint discharger (6) is fixed at one end of the homopolar opposite clamped grid type gradient magnetic groups (9) close to the exhaust port; the clamping type positive pole electrostatic network (8) is arranged in the homopolar opposite clamping type grid type gradient magnetic group (9);
the cathode rotary vortex discharger (5) and the anode star umbrella type multipoint discharger (6) are electrically connected with a pulse discharging system (19); the anode star umbrella type multipoint discharger (6) is composed of a discharging rod fixed on a homopolar opposite clamped power grid type gradient magnetic group (9) and a plurality of discharging branches which are arranged on the discharging rod and distributed in an umbrella shape;
the cathode rotary vortex type electrostatic discharge device is characterized by further comprising a cathode fixed insulating plate (4) which is fixed or is arranged on the raw material wind balance equalizing box (3) as one side surface, and the cathode rotary vortex type discharge device (5) and the net barrel-shaped negative electrostatic net (7) are fixedly connected with the cathode fixed insulating plate (4).
2. The rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system according to claim 1, characterized in that: the device also comprises a magnetic component fixed insulating plate (10) which is fixed or is arranged on the oxygen-enriched front collection adsorption bin (11) as one side surface, and the homopolar opposite clamping grid type gradient magnetic group (9) and the grid barrel type negative electrode electrostatic network (7) are fixedly connected with the magnetic component fixed insulating plate (10).
3. The rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system according to claim 1, characterized in that: the cathode whirl vortex discharger (5) is a discharge pipe fitting communicated with the exhaust port, and a through hole is arranged on the side wall of the discharge pipe fitting.
4. The rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system according to claim 1, characterized in that: the homopolar opposite clamping grid type gradient magnetic group (9) is formed by a plurality of annular magnets in a sequencing mode of N pole pairs and N poles and S pole pairs and S poles, the homopolar opposite clamping grid type gradient magnetic group (9) is formed by annular magnets with the same inner diameter and two outer diameters, and annular magnets with different outer diameters are sequenced at intervals; two adjacent annular magnets are clamped with a clamping type positive electrode electrostatic network (8).
5. The rotary kiln supercharging ionization pole separation magneto-enriched oxygen flow combustion-supporting system according to claim 1, characterized in that: a raw material wind homogenizing baffle (2) is arranged between the centrifugal booster air supply machine (1) and the raw material wind balancing and equalizing box (3).
6. The rotary kiln supercharging ionization pole-division magneto-rich oxygen flow combustion-supporting system according to any one of claims 1 to 5, characterized in that: the intelligent control system further comprises a PLC control cabinet (17) and a touch screen (18) electrically connected with the PLC control cabinet (17); the ion equalizing reduction tank (13) is provided with a pressure compensation sensor (14), an automatic pressure regulating valve (15) and an intelligent online oxygen meter (16); the pressure compensation sensor (14), the automatic pressure regulating valve (15) and the intelligent online oxygen meter (16) are electrically connected with the PLC control cabinet (17).
7. The rotary kiln supercharging ionization pole-separation magneto-rich oxygen flow combustion-supporting system according to claim 6, characterized in that: the centrifugal booster fan (1), the net barrel-shaped negative electrode electrostatic network (7), the homopolar opposite clamped power grid type gradient magnetic group (9), the permanent magnet Roots fan (12) and the pulse discharging system (19) are electrically connected with the PLC control cabinet (17).
8. The rotary kiln supercharging ionization pole-separation magneto-rich oxygen flow combustion-supporting system according to claim 6, characterized in that: the PLC control cabinet (17) is connected with the remote control on-line channel (20).
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